Travelers must present their ticket or itinerary showing an East Coast flight with a departure date of March 13 — March 15 in order to receive one free ticket to the show (or shows) of their choice.

More than 1,500 flights in and out of Pennsylvania, New Jersey, New York and Connecticut have been canceled as the National Weather Service expects more than 2 feet of snow by Wednesday.

According to Reuters, American Airlines canceled all flights into and out of New York’s three airports and JetBlue Airways also reported significant cancellations. About 3,850 flights were canceled ahead of the blizzard.